Problem Display
PID: 272473 (8/3p4/5PQ1/2p2P2/1pNk4/1P3K2/8/1B6 w - - 0 1)

Spiess, Jean-Yves

diagrammes, 1977

8/3p4/5PQ1/2p2P2/1pNk4/1P3K2/8/1B6

#2

7 + 4


SOLUTION


  • COOKED
  • Tries
    • 1.Qe8?
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5
        • 2.Qxd7#
        • 2.Qe4#
      • 1...d6!
    • 1.Qg3?
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Ke4#
      • 1...Kd5
        • 2.Qd6#
      • 1...d6!
    • 1.Qg4+?
      • 1...Kd5
        • 2.Qe4#
      • 1...Kc3!
    • 1.Qg5?
      • threat
        • 2.Qd2#
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5!
    • 1.Qh6?
      • threat
        • 2.Qd2#
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5!
  • Keys
    • 1.Qg1+!
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd5
        • 2.Be4#
    • 1.Qg2!
      • threat
        • 2.Qd2#
      • 1...Kc3
        • 2.Qb2#
      • 1...Kd5
        • 2.Ke3#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).